<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        li{
            width: 55px;
            height: 50px;
            background-color:#626262;
            margin: 2px;
            text-align: center;
            padding-top: 3px;
            color: white;
            font-weight: 800;
        }
        ul{
            width: 56px;
            padding: 0px;
            margin: 0px;
            list-style: none;
            margin: 0 auto;
        }
        .a{
            background-color: red;
            line-height: 50px;
        }
    </style>
</head>
<body style="background-color: seashell;">
    <ul>
        <li class="a">导航</li>
        <li>天猫<br>超市</li>
        <li>天猫<br>国际</li>
        <li>美丽<br>人生</li>
        <li>潮店<br>酷玩</li>
        <li>居家<br>生活</li>
        <li>打造<br>爱巢</li>
        <li>户外<br>出行</li>
        <li>猜你<br>喜欢</li>
        <li>^<br>顶部</li>
    </ul>
</body>
</html>